| 1. | Aeronautics. the ratio of the length of a streamlined body, as a rocket or airplane hull, to its maximum diameter. |
| 2. | Rocketry. aspect ratio (def. 4a). |
| 1. | Aeronautics. the ratio of the span of an airfoil to its mean chord. |
| 2. | Television. the ratio of the width of an image to its height, usually the ratio 4 to 3. |
| 3. | Naval Architecture. the ratio of the height of a rudder to its fore-and-aft length. |
| 4. | Rocketry.
|
